Pump



.lune 24 1924. 1,498,804'

J. H. OBERMAN. JR

v l PUMP Filed bec. 11. 1922 e sheets-sheet 1 June 24 1924.

J. H. OBERMAN, JR

PUMP

, '1922 6 Sheets-Sheet 4 Filed Dec. l1

grs/venivo@ June "(24 #1924; 1,498,804

J. H. OBERMAN. JR

PUMP

Filed Deo. 'll 1922 6 Sheets-Sheet` 5 me/nto@ .lune 24, 1924. 1,498,804

J. H. OBERMAN, JR I l PUMP 6 Sheets-Sheet 6 'Filed Dec. 11, 1922Patented June 24, 1924.

narran star-as rsErH H. oBERivaN, Jn., or d :aariTermal,l Iowa.

Application filed December 11, 1922. Serial No. 606,108.

To all whomy t may conce/11n Be it known that I, JOSEPH H. OBER- MAN,Jr., acitiZen of the United States, re siding at Granville', in thecounty of SiouX and State oflowa, have invented certain new and usefulImprovements in Pumps, or" which the following is a specification.

This invention relates to pumps for draw ing water from a well, andA hasfor its primary object the provision of a novel construction whereby theworking parts vmay be easily removed from the well whcn'repairs orrenewals are necessary and repairs or renewals may be made withoutrequiring the workmen to enter the well. The invention also has for itsobject the provision ot a novel construction and arrangement o'f partswhereby rigidity in the structure of the pump will be attained and thepump be operated easily to deliver a steady stream of water at the point ot use. Incidental objects of the invention will appear in thecourse of the following description, and the invention resides incertain novel features which are illustrated in the accompanyingdrawings and will be hereinafter fully described and specifically `settorth.

In the drawings:

Figure 1 is an elevation of a pump einbodying my improvements inposition in a well; i

Fig. 2 is a plan view of .the pump with a part in section:

Fig. 8 is a horizontal section on theline 3 3 of Fig. 1;

Fig. 4 isa vertical section on the line t-li of Fig. 2;

Fig. 5 is a vertical section on the line 5-5 of Fig. 2;

Fig. 6 isa plan view of the base:

Fig. 7 is an enlarged elevation oi' one of the guides and the workingparts which passes through the same; j

Fig. 8 is avhorizontal section on the line` 8--8 of Fig. 4;

Fig. 9 is a bottom plan view of the bridge piece as seen in the planeindicated by the line 9 9 ot Fig. l;

Fig. 1() is a detail section on the line 10-10 of Fig. 8;

Fig. 11 is a detail section on the line 11-11 of Fig. 8; n

`Fig. 12 is a, vertical section through the ulcruin block or head which.guidesvl 'and supports the upper portion of the plunger rod and thehandle by which said rod may be manually operated;

' Fig. 13 is a rear elevation of said head;

Fig. 14 is an elevation of the delivery spout and the partsy associatedtherewith for adjustingthe main controlling valve, and

Fig. 15 is a detail perspective view of one of the packing cups. In thedra-wings, the reference numeral 1 indicates awell which may be linedwith brick or in any other manne-r, as :mayv be preferred, and 2indicates the curb or platform which extends across the well and sup-A-ports the pump. Thefcurb or platform is, of course,.constructed` withan opening to permit the pump topartly pass into the well, and extendingover-this opening is -a base 3 which may"be. bolted or otherwise rigidlysecured to the platform, as will be readily understood. The base 3' mayhave any convenient outline, and upon its upper side is provided with acolumn 41, a collar l5 and a plurality of'guiding and supporting fsleeves 6, 7 and 8, these severa-l parts being preferably cast integralwith the base. EX- tending through the column 4 is a sustaining tube: orstandard 9 which is secured rigidly within said column. by bolts 1Oinserted diametrically through the standard and the column, as will bereadily understood. I also secure rigidly to the 'standard or sustainingtube a bearing lsleeve y1-1 whichmay be constructed in semi-cylindricalmating members fitted about the sustaining tube and rigidly securedthereto by diametrically disposed bolts 12,` as is obvious. This bearingsleeve has its lower end preferably resting upon the column 4 and may bealso utilized asa support for" a pump jack. .Most pump jacks arestandardized and have a diameter much larger than the Vstandard 9, andI, therefore7 provide thesleeve 1 1 which will provide a good fitv forthe jack. The lower end'of the tube or standard `9 secured rigidly in abridge piece 13 which is disposed* within the well, and it will :bereadily noted that the sustaining column` or standard is disposedadjacent vone end of @the base 3 anda-lso adjacent one end of the bridgepiece. The` flower end of the sustain, ing tube or standard mayfbesecured in the the rod is then screwed bridge piece in any desiredmanner but will preferably be threaded into a socket 14 formed in thebridge piece so that, if repairl or renewal of these parts should benecessary, the sustaining tube may be easily with# drawn from the bridgepiece. At the opposite ends of the basel and the bridge piece, I providea stiifening rod 15 which has 'its lower end threaded into a lug 16 onthe bridge piece, while the upper end of said stifl'ening rod is fittedthrough a smooth-bore opening 17 provided therefor in the base and isequipped with nuts 18 above and below the base and adapted to be turnedhome against the same whereby the rod will be firmly secured in placeand the base and the bridge piece rigidly connected. To fit the rod 15in place, the lower nut 18 is aldjusted to a point well below the upperend of the rod which is then inserted upwardly through the opening 17.The lower end of into the lug 16, after which the nuts 18 are brought tobear against the base. A tube 19 is inserted through the collar and hasits lower end threaded into the upper side of the bridge piece 13, asshown at 20, the upper end of this tube 19 being closed air-tight by acap 21. The colla-r is appreciably greater in diameter than the tube 19so that, if it should be necessary to remove the tube 19, it will notbindend may be easily started, and a bushing 22 is fitted in the collararound the tube so as to close the space between the collar and thetube, and this bushing is constructed with a slot 23 to permit the endof a set screw 241 to pass into binding engagement with the tube, thesaid set yscrew being threaded through the side of the collar, as shownmost clearly in l? ig. 5. By turningthe set screw home, the tube will beforced against the opposite side of the bushing 212 and the bushing willbe clamped between the tube and the collar so that a firm support forthe tube will be provided. A brace bar 25 extends between the tube 19and the standard or sus taining tube 9, one end of the said brace barbeing bolted or otherwise rigidly secured to the said standard and theopposite end thereof being formed to fit partly around i the tube 19 andmate with half collar 26 which is fitted to the said tube and is securedto the end of the brace har by bolts 27, as will be readily understood.l thus attain a very rigid structure so that, in op eration, the pumpwill be practically free of vibration and the several connectionsbetween the parts of the pump will remain tight. The lower end of thetube 19 is open, as shown in Fig. 5, and communicates with a passage 28in the bridge piece so Vthat this tube constitutes an air column toequalize the pressure upon the water, as will pres- @elly morePartiel-arly appear.

On the upper end of the standard or sus taining tube 9, l secure a cap29 which is provided on its upper side with flanges or lugs 30 to whichthe head or bracket 81 is secured. rllhe said head or bracket consistsof side members provided at their lower ends on their inner faces withrecesses corresponding iu dimensions and form to the lugs 30 so that,when the bracket or head is in the position shown in Fig. 1 and thebolts 33 are in place, the bracket will be firmly supported in properposition to guide the plunger rod. Upon its outer side, one of the sidemembers is provided with a ledge or shoulder Se against which the heads35 of the bolts 33 may bear so that theA bolts will be prevented fromturning while the nuts St are driven home, the necessity of employing aneXtra wrench or other tool to prevent turning of the bolt being thusovercome. The side plates or members of this bracket or head areconnected at their upper ends by a cap plate or bar 37 which is securedto and between the side plates by bolts 38 inserted therethrough, and itwill be readily noted upon reference to Fig. 1 that the upperextremities of the said side plates are disposed out of verticalalinement with the sustaining rod 9 whereby the plunger rofl may beslidably fitted through the said guide plate 37. At their lower ends,the side plates are further connected by a guide bar or plate 89 whichis secured in place by bolts 110, and both guide plates 57 and 39 areprovided centrally with angular openings 11 through which the flat bar4t2, which constitutes the upper extremity of the plunger, is slidablyfitted. One side plate is further provided with a. ledge or shoulder 413on its outer side against which the heads of the bolts may bear so thatthese bolts will be prevented from turning while the securing nuts aredriven home, and a similar ledge or shoulder le is provided adjacent theupper end of the side plate to prevent turning of the bolts 38. Afulc'rum post 45 is mounted upon the cap 9,9 between the flanges or lugs30 and projects upwardly and out-- wardly therefrom, as clearly shown inFig. 1, the lower end of the post being pivotally held by the outer bolthand lever elf is fulerumed upon the upper end this post 45 and has itsinner end pivotally attac'hed to the bar l2 so that by oscillating thehand lever, the plunger willbe recipro-l cated and the pump operated.

The lower end of the bar 4-2 is secured within a yoke 47 which is firmlysecured upon the upper end of the plunger rod el@ and relative movementof the bar l2 and the yoke is prevented by ribs or flanges 119 on theinner surface of the yoke engaging the edges of the bar (see Fig. 4t).The plunger rod *4r-8 extends downwardlf,r through the upper cylinder5() and into the lower cylinloo llO

der 5l. It is to be understood that the lower cylinder -51 niay b edisposed at any depth, to be .determined 'by the `depth of the well, andin the present illustration it is shown as threaded inte afiange 52 onthe under side of the bridge piece 13. however, the wellis very deep,,the cylinder will be connected with this flange by an intermediate pipeor tubing, the length of which will, of course, be determined by thedepth of the well. From ,the lower end of the V lower cylinder 5lextends a suction pipe 53 equipped at its lower end with a strainer 54which may be of any well-knownconstruction. The plunger' rod 48 ispreferably constructed in twose'ctions connected bya coupling sleeve ,55so that the parts may be readily assembled and disassembled as occasionImay require, and upon the upper end of lower section is carried thelupper plunger 5,6. llhe lower plunger 57, which be .of any desiredconstruction, is fitted to operate within'the lower cylinder 5l and lissecured on the lower end of the lower section 58 of the plunger rod, acoupling V59 connecting the lower plunger rod with the upper plungerrod, shown in el, This coupling block 59 an angular opening or slot ,60formed dianietrieally through the same and above the said slot anopening 6l is `formed diarnetrically through the block, the purposeswhich will presently appear. The up l,er cylinder has its upper endthreaded3 l into the lower end of a cylindrical Coupling block or head62 which has a reduced-upper `end V6?) provided with fiat faces, asshownat 64,12. A nipple 501 is threaded in to the upper end of the block 62,and upon the upper end of the nipple'is secured a l`cap 65 whichencircles the plunger rod 48 and serves as a guide for the saine. Thecoupling block or head 62 fits closely but rotatably within the sleeve6, and this sleeve is constructed with a helical slot or opening 66 inwhich a pin or stud 67 upon the'head 62 inay play, roller 68 beingpreferably mounted .upon the said stud toy reduce the frictional wear.The helical slot or opening 66 in the-sleeve ,6 extends nearly aroundthe complete cincnniference of the sleeve, and at its upper @ad it@Pells into a lene'itudinally disposed notch 69 ywhich will perrnitvertical movement of the =stud 67 and the roller .68s,o that, when theparts are properly positioned, the plunger rod, the coupling head,nipple, and cylinder niay be vlifted .vertically and dralwn through andfron'i the sleeve 6. T- l-,lgential .openings 70 are formed through thewall ofthe ysleeve 6, and similar openings 71 are foi'ined'throughthewall of the coupling head x62. When thefopenings 7l register with theopenings 70, cotter pins or keys are inserted therethrough so thatrelative nioveinent tof the head and the sleevefr will be prevented. Byreferringn'iore parl'4 ticularly to Fig. 4:, it will be noted thatfthewall of the coupling 'block 62 is i1 iternallyA thickened, as at V62.0,where the locking pins or keys 72 are inserted so that there will-be' noopening across the bore of the block ,and a positive uninterrupted'guidefor the'keys or pins will he provided.V The sleeve ,Gis

constructed upon its outer side at two or' more points with bridgepieces 73 so as to reinforce the Sleeve .an'd prevent collapse of thesame froIn the formation of the heliea'l passage or slot 62 therein, andin the upper edge of the sleeve are provided diametricarlly. oppositenotches 74. When the cylinder 5,6 and the plunger rod-have been{raisedfto such a heightlthat the coupling block59 .is above the sleeve6, the fiat :bar 42, which has been previously disconnected from theplunger withdrawn from the slot 60, 0r may be raised y.

after the plunger rod iS `lernoved.

The lower end ofthe upper cylinder50-is disposed within a packing cup 75I 4secured upon the upper lside .of .the bridge piece l, a lsuitablegasket 76 being linterposed tween the upper ksurface of the bridge pieceand the under surface of the packing cup,as will be readily understood.The packing cup is provided internally with an annular shoulder 77against which the :edgeQo-f :the packing ring or diaphragin- 78 mayengage, the said packing ring or v`d-iaphragni yresting upon the upperend of a spider 79 whieh .is threaded onto the lower end O .aShoulderpl' collar 8O which is threaded onto the ,cylinder with thepacking kring disposed between ,the

spider and the shoulder and ,clamped .thereby. It will .be readilyunderstood that, lwhen the parts are associatedv in proper `rer` lation,the packing will be forced against the internal surface ofthe packing,cup and ,the pressure of the water which may .reach ,the packing ringwill simply force it outwardly more closely against ythe packing lcupVand thereby aid in making the joint leakrprooi r'Ihe plunger 56 workscloselywithiin a lining 81 in the cylinder' 50, and `this lining is`pref` erably of brass so that it will not eorrode under the .action ofthe water. :The lower end of the lining is flared, as indicated at ,82,so that the plunger may readily enter. .the

saine in the event thatit should happen ,to

inake a stroke carrying-it below lthe lining, while the upper end of thelining is con; structed with ,claws ory spurs 83 fitting 1n openings S4in the cylinder. The said claws or teeth 83 prevent downward movement ofthe lining, while the flared formation on its lower end will preventupward movement thereof. The shoulder 80 is provided externally withlongitudinal grooves or notches 85 so that it may be readily engaged bya turning tool when the parts are to be i separated.

If repairs to the plunger or the cylinder should be necessary, the flatbar 42 which constitutes the upper extremity of the plunge-r rod isdisconnected and removed from the guide bars or plates 39 and 37. Theinner bolt 33 is then removed and the bracket or head 31 may then beswung rearwardly about the outer bolt 33 as a pivot. The keys or cotterpins 72 are then withdrawn and a wrench or other tool is fitted to thereduced end 63 of the coupling head 62 and said head is rotated so thatthe stud 67 will be brought to the lower end of the vertical notch 69.after which the cap 65 and the nipple 501 are firmly grasped and inder,

lifted. It will be readily noted that the diameter of the head 62 andthe internal diameter of the sleeve 6 is somewhat greater than theexternal diameter of the packing 78 so that, when the cylinder islifted, it may be drawn through the sleeve 6 until the lower end of theplunger rod or the coupling` 59 is above the upper end of the saidsleeve, whereupon the coupling may be supported, as previouslydescribed. rlhe plunger rod is then disconnected from the said couplingand the plunger and the cylinder may be repaired at once or laid asideto be repaired as circumstances require or permit. Inasmuch as thecoupling head 62 is firmly secured to the cylinder 50, the rotation ofthe head will, of course, rotate the cylinder and, therefore, the partsmounted on the lower end of the cylinder will rise with it as the stud67 or the roller 68 trvels upwardly along the helical slot 66. Theplunger rod may possibly tend to move downwardly through the cylinder asthis upward movement is imparted to the cylbut such downward movement ofthe plunger will be arrested by contact of the yoke 4:7 with the cap 65so that the plunger will be withdrawn from the well with the cylinder.

The bridge piece .13 is, of course. constructed with an opening or port.indicated at 86, which is alined with the lower cylinder 51 andconstitutes: the inlet port for the water, and this inlet port is, ofcourse, in vertical. alinement with the bore of the packing cup andextends vertically through the bridge piece. A passage 87 extendsthrough the bridge piece laterally from the port 86 to the end of thebridge piece more remote from the socket 14; and one outlet for theWeber iS arranged,- n the and incase@ top of the bridge piece over theend of the said passage 87. A packing cup 86, corresponding in allrespects to the packing cup 7 5, is secured upon the bridge piece overthe said end of the passage 87 and a delivery tube 89 has its lower enddisposed within the said packing cup. rlhis delivery tube is constructedof two axially alined sections threaded into the upper and lower ends.respectively, of a coupling head 90 corresponding to thecoupling head 62and fitting within the sleeve 8 inthe same manner that the said head 62fits within the sleeve 6. The sleeve 8 is constructed with a helicalslot 91 and the head 90 is equipped with a stud 92 playing in the saidslot in the same manner that the stud 67 plays in the slot 66. Y Cotterpins 93 secure the head 90 against movement within the sleeve. 8 just asthe cotter pins 72 secure the head 62 against movement, it being notedthat the coupling 90 is provided with an internal enlargement 900.corresponding` to the enlargement 620, and is further provided with arecess 901 at a point diametrically opposite the enlargement so that thecross-sectional area of the bore will not be reduced to restrict theflow of the water. rPhe provision of the enlargement 900 also preventsleakage around the locking pins or keys. Upon the lower end of thedelivery tube 89 is fitted a packing ring or diaphragm 94 which mayengage an internal shoulder 95 on the packing cup 88, and this packingring is clamped to a shoulder 96 upon theV tube 89 by a cage or sleeve97 which is threaded onto the lower end of the tube 89 and is providedinternally with a spider 9S constituting al guide for the valve stem 99.rEhe lower end of the sleeve 97 is preferably beveled or flared, asshown at 100, so that it will constitute a seat for the valve 101 whichmay convenient-ly be a rubber ball secured upon the stem 99 by nuts 102disposed above and below the ball, as clearly shown. Upon reference toFig. et, it will be noted that the valve 101 may engage the seat or mayengage the seat 103 which is below the valve. rll`he position of thevalve is determined by vertically adjusting the stem 99 so that thewater may7 be directed into and through the delivery tube 89 or may bedirected to and into the underground service pipe to be presentlydescribed. Upon the upper end of the delivery tube 89, .l secure a.spout 1011 through which the water may be discharged. The stem 99extends through the top portion of the spout and said top portion isconstructed to receive a `packing nut 105 adapted to be turned homeagainst packing 106 so that the said packing will be compressed aboutthe stem 99 leakage of the water 'prevented The stem extends through thenut 105 and above the same is enlarged and threaded, as shown at 107,the extreme upperend of the stern being angular in cross section, asshown at 108. 1t preferred,- the enlarged threaded part 107 may beseparate from and threaded .ont-o the `stein 99. A sustaining andguiding head 109 is secured upon the spout and projects, up-Wardlytherefroni and is provided with the lugs 0r branches 110 throughwhich the threaded and angular p'ortion of the valve stem passes.Between the lugs 110, a hand Wheel 111 is mounted and this han-d Wheelis constructed with an internally threaded hub engaging the threadedportionv 107 of the valve 'stern so that rotation of the hand wheeltvill effect vertical moveinen-t o'f the stem and consequently adjustthe valve 101, as desired. c

The chamber 28' in the bridge piece 13 is a lateral branch or extensionof `the passage 87` as shown niost' clearly in Fig. 8; 1n the under sideof the bridge piece is a groove 112 which forms the upper ,portion of a'passage connecting the port of the valve seat 103 "vith a port 113which, in turn, establishes communica-tion with the outlet chamber 114.'A flange 115 is secured to the under side of ,the bridge piece' and thisflange is provided in its upper 'side With a groove or recess 116 matingwith the groove 112 so as to provide a passage to' convey water to tlre`underground sei'vice' connection. Extending through the' side Wall ofthe ,chambier 114 is threaded port 117 into which the Aend of theunderground servi-ee pipe 118 is fitted; A check valve 119 is ad'aptedtorest upon the valve seat 113,1and this valve obviously vvillpermitthe'flovvp'f tvater toy the o'i'itlet 118 but prevent flow in the'opposite direction.y TheV check valve is preferably a rubber ball`secured upon a stern 120 by nuts 12'1` and the said stern extends upto: and through a spider 122 toiined' Within a sleeve or cage 123, the''said sleeve or cage being threaded onto the loiver end of tube 1211which is disposed tvithin a packing cup 1251 provided on the upper sideof the bridge piece. The sleeve or cage 123 is slightly tapereddownivardly to' reduce friction and cla-inps a` packing ring' ordiaphragm 126 againsta slieulder 127 threaded upon the tube. 12d,

which packing ring cooperates vvith the -packing cup 125 in the 'sainemanner that the packing ring 7S co-operate's i'vithr the packing cup 75and the packing ringt'cooperates With the cup 88.k Upon the u-pper endof the stein 120v is a nut-128 vvhich is adapted t0' rest upon therspider 122 and thereby liniit, the' downward movemento'f the' cheekvalve. 'H a new rcheck valve is needed, the tube 12d is vvithdravvntroni the packing cup 125 and, of course, the check valve and the otherattached parts Willrbe simultaneusly vvithdr'a-Wn, The sleeve fdi* @age1,23 @evita-,Sly may te uien remevi from the tube, 124 and the` nut 128,Win then be accessible so thatby'Avv'itltl'rattling'v the saine fifoithe stein 120 the parts be separated. of entree., reversing uitge steps,the parts inaybe' reea'ssler'lbled 4in opl @fauve rennen'. The `uit@ 124is; thread ed at its upper' nd'int a Head 13e effing Within, the sleeve7 in the manner that uit head e2 vfits within the @neve c and the head90,1its Within the' sleevev 8;. The sleeve 7 ie or the same tesamen@ asthe sleeves 6, and 8,- and the head 13d is .Secured thefeifi, ty paneer, keys 131 in the Sam@ manner that the heads t2' and eo are secured,co'resilpnding in all respjet's 'to the head 90. nipple 140 -thread'fetl ito the upper end of the headld and acap 1,29 closes the iipperend of the` nipple'. When repairs tthe vtub'e`124 or the cheek valve areneeded,y the` Cotter' pins' or `l'ey's 13'1` are vvithdravvn and thehead 130 is then rotated s tiat an upv'vard iholvenient vvvill beina-parted to" the tube and theupart's assecreted, therewith. The uib-e;124,1 eenentutes an air liarnb'e to" e1u`a-liev the sure on the vv'atei,and vvll be' readily noted that I have provided twoy air chainbers, onein advance of the cli'eek'valve and one behind the aidvalv so that,vvhen the WaterA is loe'ir'ig delivered intox the' u'nderground seviee118, a veryV even flowoi` the1 liq`uid vvill be attained. l'

The peering'- ttp epee the taugt piece are sii'bstaiitially diiplicatesiii construetion and are sedured upon the bridge 4,piece by bjoltsinserted through the flanges 132 at the lower ends" f the cups", intothe Bridge piece. It vvill, f course, beunderstod that of the bolt willbear so that rotation ofi-'the' bolt Will be prevented-While the 'nut'`islbep ing drivenE liciheu` 'f' It Will be lreadilyprinted frorhAthefiforegoing description, taken in' oiiiieotion With the accompanyingdi'a-ivingdtliatlhave provided a construction vvhiclinvillxperinit theWorkingV partstofhe' easily ivithdiawn from the supportingstructureWithout requiringa` Workrnan to enter the vv'ell "and, r operate at thebottoni oi' the saine, yThis' advantage of inypunip is attained\vitliout any sacrifice of ellieiency and the piiin'p will operateeasily to, deliver vvater at the indiith of the Well or through anunderground service to a distant point. When the water is to bedelivered at the mouth of the well, the hand Wheel 111 is turned so thatthe valve stem 99 will be driven downwardly and the valve 101 caused toengage the seat 103. The flow of water through the passage provided bythe grooves 112 and 116 to the underground service connection will bethereby prevented and the water will rise through'the delivery tube 89to the spout 104. If the valve be caused to engage the seat 100, theflow of water through the delivery tube 89 will be prevented and it willilow to and through the underground service pipe, as will be readilyunderstood. The packing cups and the guiding and supporting sleeves areobviously peculiarly adapted to permit the withdrawal of the workingparts from the well so as to facilitate repairs or renewals. At the sametime the guiding and supporting sleeves upon the base 3 serve to impartrigidity to the pump structure so that the loosening effect of vibrationduring the operation of the pump is neutralized and practicallyeliminated while the provision of the packing cups and the describedmanner of packing around the lower ends of the working parts facilitatesthe assembling of the working parts and also prevents leakage of waterat the joints. It will be readily noted that the air chamber provided bythe tube 19 is in direct communication with the water inlet passage sothat the pressure of the air trapped in this air chamber will assist inraising the water through the delivery tube 89, as well as serve tomaintain a steady even flow thereof at the spout. When the water isbeing delivered into the underground service pipe, the hammering of thecheck valve will be overcome inasmuch as there will be operative airchambers at the opposite sides of the said valve serving to equalize thepressure upon the water and tending to maintain asteady even 'flowthereregistered with the openings in the sleeve 7 so that the operatorwould at once see that' the new tube was too long and how much should becut oif. It will be noted that the inner walls of the packing cups arevertical-- ly cylindrical but slightly flared at their upper ends tofacilitate the packing rings. |The edges of the rings are turneddownward and the packing contact insertion of theis effected between theouter surface of the packing ring and the inner surface of the cup.

I'Iaving thus described the invention, what is claimed as new is: v

1. In a pump, the combination of a supporting structure having a guidethereon, a working element extending through said guide, and meansconnected with the worling element and co-operating with said guide toeffect lifting of said element whereby it may be withdrawn from thesupporting structure.

2. In a pump, the combination of a supporting member having an uprightguide thereon, said guide having an obliquely disposed portion, a memberpassing through said guide, a working element associated with saidmember, a head on said member, and means on the head to engage theobliquely disposed portion whereby to effect withdrawal of the memberpassing through the guide and the working element associated with saidmember.

3. In a pump, the combination of a base, a vertical sleeve on the baseprovided with a helical slot and a vertically disposed notch at theupper end of said slot, a member passing through said sleeve, a workingelement associated with said member, and a projection on said memberengaging in the said slot whereby rotation of the member will effectwithdrawal of the same and the working element associated therewith.

4. In a pump, the combination of a base, a vertically disposed sleeve onthe base, a bridge piece below the base and having passages therein forthe flow of water, a packing cup secured upon the bridge piece inAvertical alinement with the sleeve on the base, a member passingthrough the sleeve and having its lower end disposed within the packingcup, packing on the lower end of said member engaging the inner wall ofthe cup, a working element associated with said member, and means on themember engaging the sleeve whereby rotation of the member will eectwithdrawal from the base and the bridge piece of the said member and theworking element associated therewith.

5. In a pump, the combination of a base, a sleeve thereon having ahelical slot and provided with notches in its upper edge, a cylinderpassing through the said sleeve, means on the cylinder to engage thehelical slot in the sleeve whereby rotation of the cylinder will eiiectan upward movement thereof, a plunger rod working in the cylinder, alower plunger rod, a coupling yconnecting the two plunger rods, saidcoupling having a diametrical opening therethrough, and a bar detachablysecured to the upper end of the upper plunger rod, said bar beingadapted to pass through the opening in the coupling and rest in thenotches in said sleeve whereby to support the lower plunger in a raisedposition` 6. In a pump, the combination of a base, a sleeve thereon, amember passing through the said sleeve, a working element associatedwith said member, a head on said member fitting closely within thesleeve, said head and said sleeve being provided with registeringtangential openings, and fastening devices adapted to be insertedthrough said openings whereby to prevent movement of the head within thesleeve.

7. In a pump, the combination of a base, a bridge piece disposed belowthe base and connected therewith, the said bridge piece being providedwith an inlet port in its bottom and having an outlet port in its topand a second outlet port in one side, a passage connecting the inletport with the rst-mentioned outlet port, a second passage connect-` ingthe first-mentioned passage with the second outlet port, and a valvearranged to seat in the first outlet port or in the second passageimmediately below said outlet port.

8. In a pump, the combination of a base, a bridge piece disposed belowthe base and rigidly connected therewith, said bridge piece having aninlet port in its bottom, an outlet port in its top and a second outletport in its side and provided with a passage leading from the inlet portto the first-men tioned outlet port and a second passage leading fromthe iirst-mentioned passage to the second outlet port, a valvecontrolling the having its edge turned downwardly to engage the annularshoulder on the packing cup, and clamping members mounted upon thetubular member at opposite sides of the packing ring and securing thesame.

10. In a pump, the combination of a base, a sleeve thereon provided withnotches in its upper edge, a cylinder passing through and removable fromthe sleeve, a plunger rod working in the cylinder, a lower plunger rod,a coupling connecting the two plunger rods, said coupling having adiametrical opening therethrough, and a bar detachably secured to the uper end of the upper plunger rod, said bar eing adapted to pass throughthe opening in the coupling and rest in the notches in said sleevewhereby to support the lower plunger in a raised position.

In testimony whereof I affix my signature.

JOSEPH H. OBERMAN, JR. [n s]

